COLUMN BASE INSTALLATION STRUCTURE FOR STUD OF STEEL STRUCTURE

PROBLEM TO BE SOLVED: To provide an installation structure for a column base part for a stud of a steel structure that facilitates fitting of the stud to a beam while ensuring a performance required of the stud.SOLUTION: A structure is for installing a column base part of a stud on a top surface of a reinforced concrete beam. A plurality of gate-form reinforcing bars protrudes from a top surface of the reinforced concrete beam in a longitudinal direction of the beam, while a through-hole that opens in the longitudinal direction of the beam is formed on the column base part of the stud. The stud is positioned between a pair of the adjacent reinforcing bars, while a rod material is inserted into the through-hole so as to have the rod material hooked on the reinforcing bar from inside. Also, a bottom plate is provided on an undersurface of the column base part. A planar area of the bottom plate is smaller than a projected area of the stud. Additional concrete is cast on the top surface of the reinforced concrete beam, for embedding the column base part in the concrete along with the reinforcing bar and a steel bar inserted therethrough.SELECTED DRAWING: Figure 1 【課題】鉄骨造建物において、間柱に求められる必要な性能を保持しつつ、梁への取り付けを容易に行うことができる柱脚部の設置構造を開示する。【解決手段】ＲＣ造梁の上面に間柱の柱脚部を設置する構造であって、前記ＲＣ造梁は梁長手方向に複数の門型の補強筋が上面に突設され、前記間柱の前記柱脚部には前記梁長手方向に開口する貫通孔が形成され、前記間柱を隣り合う一対の前記補強筋の間に配置すると共に前記貫通孔に棒材を挿通して、該棒材を前記補強筋に内側から掛止可能に配置した。また、柱脚部の下面に底板を設けた。この底板は、平面の面積が間柱の投影面積以下である。さらに、ＲＣ造梁の上面にはコンクリートを増打ちして、補強筋及びこれに挿通した鉄筋と共に柱脚部を前記コンクリートに埋設した。【選択図】図１